Vivo Z1 Pro PD1911F Flash File 100% Tested Firmware Rom | Fix Black Screen, Fastboot Mode

If your Vivo Z1 Pro is stuck in fastboot mode, showing a black screen after flashing, or not booting at all, flashing the stock ROM can restore it to working condition. This guide covers everything you need—from official firmware download to step-by-step QFIL flashing instructions.

Issues Solved by Flashing Vivo Z1 Pro Firmware

• Fastboot mode stuck after OTA update
• Touchscreen not responding after flashing
• dm-verity verification failed
• Random reboots or bootloop on logo
• Dead boot caused by software crash

Reminder: Always use the exact firmware version matching your model's region and build number. Flashing the wrong ROM may break touchscreen or IMEI configuration.

Download Vivo Z1 Pro Flash File & Tools

Download Firmware (PD1911F_EX_A_7.70.30)

QPST Flash Tool (dofollow)

Qualcomm USB Drivers (dofollow)

How to Flash Vivo Z1 Pro Firmware via QFIL Tool

1. Extract the firmware ZIP or RAR file using WinRAR or 7-Zip.
2. Install QPST tool and Qualcomm USB drivers on your Windows PC.
3. Launch QFIL and select Flat Build option.
4. Click Browse and load the prog_emmc_firehose_*.mbn file from the extracted firmware folder.
5. Click Load XML → Select rawprogram.xml first, then patch.xml.
6. Boot Vivo Z1 Pro into EDL mode (via test point or ADB command).
7. Connect the phone to PC. Qualcomm HS-USB QDLoader should appear in Device Manager.
8. Click Download to start the flashing process. Wait for completion.

Warning: Flashing will erase all user data including photos, contacts, and apps. Take a backup before flashing.

FAQs – Vivo Z1 Pro Firmware Installation Help

Q1: Why is my Vivo Z1 Pro stuck in Fastboot even after flashing?

This may happen if the wrong firmware was used. Ensure the build number matches your phone’s original software version.

Q2: The phone turns on but touchscreen isn’t working, what now?

This is usually caused by regional firmware mismatch. Reflash with a firmware built specifically for your variant (Global, India, etc.).

Q3: What is EDL mode and how to access it on Vivo Z1 Pro?

EDL (Emergency Download) mode is used for deep-level flashing. It can be entered using a test point method on the motherboard or ADB command if the phone is still bootable.

Q4: Flashing fails at Sahara or Firehose step — what’s the fix?

Ensure proper USB drivers are installed, use a high-quality cable, and try different USB ports. Also confirm the firmware isn't corrupted.